DS/EN ISO 11146-2:2021 激光器及激光相關設備《激光束寬度、發散角和光束傳播比的測試方法》第2部分：一般像散光束（ISO 11146-2:2021）
Lasers and laser-related equipment – Test methods for laser beam widths, divergence angles and beam propagation ratios – Part 2: General astigmatic beams (ISO 11146-2:2021)